/*
===========================================================================
This source file is part of DyLab (Dynamic Laboratory)
For the latest info, see http://dylab-modules.googlecode.com

Copyright (c) 2006-2008 Lukas Krejci
(krejci.lukas@volny.cz)

This file is part of DyLab.

    DyLab is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    DyLab is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with DyLab.  If not, see <http://www.gnu.org/licenses/>.
===========================================================================
*/

#ifndef __dylab_Plane_CollisionHandler_h__
#define __dylab_Plane_CollisionHandler_h__

//===========================================================================================
#include <dylab/simulation/ComCollisionHandler.h>
#include <dylab/utils/geometry/Plane.h>

//===========================================================================================
namespace dylab {

    /**
     */
    class Plane_CollisionHandler 
        : public ComCollisionHandler
    {
    public:
        /// String identification for instances of this class
        static const String COMPONENT_NAME;        

    private:
        class PlaneCollider
        {
        private:
            Plane mPlane;
        public:
            PlaneCollider(const Plane & _plane)
                : mPlane(_plane)
                    { }
            bool collide(const Vector3 & _currPos, const Vector3 & _prevPos, 
				Vector3 * _correctPos, real_t _friction);
        };

    private:
        typedef HashObjContainer<String, PlaneCollider> PlaneColliderMap;

    private:
        Simulation * mParentSimulation;
        PlaneColliderMap mPlaneColliders;
        real_t mFriction;

    public:

        Plane_CollisionHandler();        
        virtual ~Plane_CollisionHandler();        

        virtual void initialize(Simulation * _parentSimulation);
		virtual void loadFromPropertyTree(const PropertyTree & _pt);
        virtual Simulation * getParentSimulation();
        virtual const Simulation * getParentSimulation() const;

        virtual void handleCollisions();

        void addPlane(const String & _name, const Plane & _plane)
                { mPlaneColliders.insert(_name, new PlaneCollider(_plane)); }

        void setFriction(real_t _friction)
                { mFriction = _friction; }
        real_t getFriction() const
                { return mFriction; }
    };
}
#endif // __dylab_Plane_CollisionHandler_h__
//===========================================================================================